[talk] IU talks about what happened during filming, and Bogum...

IU said about her co-star Park Bo-gum, "Park Bo-gum is a combination of a kind person and a hard worker."

Park Bo-gum said, "He really has good stamina," and "All kindness is based on stamina. There are times when I get angry and ask, 'Aren't you having a hard time?' Then he says, 'Ji-eun, I'm fine. You were worried about me, right?'"

Park Bogum is really amazing! Hahaha